Problem solved, I need to add in the yml file "vlen: 1024 " for both inputs and outputs.
Huang Wei <[email protected]> 于2021年10月18日周一 下午3:12写道： > Hello group, > > I am writing a C++ OOT module in GNU radio operating in vectors of length > 1024. So in the .cc file I wrote: > gr::io_signature::make(1, 1, sizeof(float)*1024), > gr::io_signature::make(1, 1, sizeof(float)*1024)), > And in the work function I wrote: > float *out = (float *) output_items[0]; > int noi = 1024 * noutput_items; > > memcpy(out, input_items[0], noi * sizeof(float)); // just copy input > to output > return noutput_items; > when I connect a "Stream to Vector" block (Num of items=1024, Vec length > =1) to this custom block, it shows "Source IO size 4096 does not match sink > IO size 4". > > Where did I make the mistake? noutput_items indicates the num of output > vectors, right? > Thank you if you could give me any help. > > Regards, > Wei >
